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・ Spargaloma sexpunctata
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Sparganophilus
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・ Sparganopseustis flaviciliana
・ Sparganopseustis flavicirrata
・ Sparganopseustis garlaczi
・ Sparganopseustis geminorum
・ Sparganopseustis martinana
・ Sparganopseustis myrota
・ Sparganopseustis ningorana
・ Sparganopseustis niveigutta
・ Sparganopseustis tessellata
・ Sparganopseustis unipunctata


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Sparganophilus : ウィキペディア英語版
Sparganophilus

''Sparganophilus'', the only genus in the family Sparganophilidae, is a group of long, slender, limicolous (mud-dwelling) earthworms native to North America. The number of species is unknown, most of them are undescribed, throughout the continent and into Central America. One species, ''S. tamesis'', has been introduced into the streams of Europe, where it is now widespread; its synonyms are ''S. eiseni'', ''S. benhami'', ''S. guatemalensis'', ''S. carnea'', ''S. elongatus'', ''S. cuenoti'' and, newly, ''S. langi''.〔Earthworms (Sims & Gerard, 1999: 120
) ()〕 〔Sparganophilidae checklist (2007) ()〕 〔Cosmopolitan Earthworms (Blakemore, 2008)()〕
''Sparganophilus'' species are characterised by a simple gut with no gizzard and no typhlosole. They are true earthworms, having a complex vascular system with capillaries and having the male pores far behind the female pores. They were at one time placed in the earthworm family Glossoscolecidae, but at present are considered to constitute their own family.
''Sparganophilus'' species are commonly found in mud next to rivers and streams. They feed in the low oxygen mud and organic material, but with their highly vascularized posterior region on or near the surface.
''Sparganophilus'' has no accepted common name.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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